Home / 15,208,760.60-20,988,930.06-8,684,485.76

Finding the Fourth Proportional to 15,208,760.60, 20,988,930.06 and 8,684,485.76

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Solution

The fourth proportional to 15,208,760.60, 20,988,930.06 and 8,684,485.76 is: 11,985,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208,760.60 : 20,988,930.06 = 8,684,485.76 : x
  2. Step 2: Convert to fraction form
    15,208,760.60/20,988,930.06 = 8,684,485.76/x
  3. Step 3: Cross multiply
    15,208,760.60x = 20,988,930.06 × 8,684,485.76
  4. Step 4: Simplify right side
    15,208,760.60x = 182,278,064,223,705.94
  5. Step 5: Solve for x
    x = 182,278,064,223,705.94/15,208,760.60
  6. Step 6: Final answer
    x = 11,985,070.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.